# physics

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Consider two cars, one a compact model (m = 781 kg) and the other an SUV (m = 2483 kg). The SUV is traveling at 15 m/s, while the compact car is traveling at an unknown speed v. If the two cars have the same momentum, what is v?

• physics -

m1V1 - m2V2,
781V1 = 2483 * 15 = 37,245,
V1 = 47.7 m/s.

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